<template>
   <div class="app-container">
    <!--查询表单-->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input style="width: 100%" v-model="searchObj.roleName" placeholder="角色名称"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button type="primary" icon="el-icon-search" size="mini" :loading="loading" @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
          <!-- 工具条：添加按钮，点击弹出框 -->
          <div class="tools-div" >
            <el-button type="success" icon="el-icon-plus" size="mini" @click="add" :disabled="$hasBP('bnt.sysRole.add') === false">添 加</el-button>
            <el-button class="btn-add" size="mini" @click="batchRemove() " >批量删除</el-button>
          </div>
        </el-row>
      </el-form>
    </div>
    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
      @selection-change="handleSelectionChange">
      <!-- handleSelectionChange这是element-ui封装的函数，会将我们选择的一行的数据拿到 -->
      <el-table-column type="selection"/>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="roleName" label="角色名称" />
      <el-table-column prop="roleCode" label="角色编码" />
      <el-table-column prop="createTime" label="创建时间" width="160"/>
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row.id)" title="修改"/>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)" title="删除"/>
          <el-button type="warning" icon="el-icon-baseball" size="mini" @click="showAssignAuth(scope.row)" title="分配权限"/>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <el-pagination
        :current-page="page"
        :total="total"
        :page-size="limit"
        style="padding: 30px 0; text-align: center;"
        layout="total, prev, pager, next, jumper"
        @current-change="fetchData"
    />

    <!--添加修改的弹窗，dialogVisible的值来空值弹窗是否显示-->
    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%" >
      <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName"/>
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>
  </div>
  </template>

<script>
//引入对应的接口定义文件
import api from '@/api/system/sysRole'

export default{
    //vue代码结构
    //初始值
    data(){
        return{
            list:[],//角色列表数据
            page:1,
            limit:2,
            total:0,
            searchObj:{},  //条件对象

            sysRole:{},  //封装添加时的角色数据
            dialogVisible:false,   //弹窗
            selections:[],   //多个复选框的值
        }
    },
    created(){//渲染之前执行
        this.fetchData()
    },
    methods:{
      showAssignAuth(row) {
        this.$router.push('/system/assignAuth?id='+row.id+'&roleName='+row.roleName); //路由跳转到分配菜单的页面
      },
        //将复选框中的值进行传递，selection就是值
        handleSelectionChange(selection){
            this.selections=selection
            console.log(this.selections)
        },
        // 批量删除
        batchRemove() {
        if (this.selections.length === 0) {
            this.$message.warning('请选择要删除的记录！')
            return
        }
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
        }).then(() => {
            // 点击确定，远程调用ajax
            // 遍历selection，将id取出放入id列表
            var idList = []
            this.selections.forEach(item => {
            idList.push(item.id)
            })
            // 调用api
            return api.batchRemove(idList)
        }).then((response) => {
            this.fetchData()  //刷新页面
            this.$message.success(response.message)
        })
        },
        //点击修改，弹出框，根据id查询显示数据
        edit(id){
            this.dialogVisible=true
            this.fetchDataById(id)
        },
        //根据id进行查询
        fetchDataById(id){
            api.getById(id)
            .then(response => {
                this.sysRole=response.data
            })
        },
        //弹出弹出框
        add(){
            this.dialogVisible=true      
        },
        //添加或者修改
        saveOrUpdate() {
            this.saveBtnDisabled = true // 防止表单重复提交
            if (!this.sysRole.id) {  //根据role是否存在来判断是添加还是修改
                this.save()
            } else {
                this.update()
            }
        },
        //添加
        save(){
            api.saveRole(this.sysRole)
                .then(response=>{
                    //提示
                    this.$message.success(response.message || '操作成功')
                    //关闭弹窗
                    this.dialogVisible = false
                    //刷新页面
                    this.fetchData(this.page)
                })
        },
        //修改
        update(){
            api.updateById(this.sysRole)
                .then(response => {
                     //提示
                     this.$message.success(response.message || '操作成功')
                    //关闭弹窗
                    this.dialogVisible = false
                    //刷新页面
                    this.fetchData(this.page)
                })
        },
        //条件分页查询
        fetchData(current=1){
            this.page=current
            api.getPageList(this.page,this.limit,this.searchObj)
                .then(response =>{
                    this.list=response.data.records
                    this.total=response.data.total
                })
        },
        //删除
        removeDataById(id){
             // debugger,使用element-ui弹出提示框，确定就执行then
            this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).then(() => { // promise
            // 点击确定，远程调用ajax
            return api.removeById(id)
            }).then((response) => {
            this.fetchData(this.page)
            this.$message.success(response.message || '删除成功')
            })
        },
     
    }
}
</script>